CVE-2021-3499
Last modified
CVE-2021-3499 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
Description
A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ovn | Ovn-Kubernetes | <= 0.3.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1949188Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1949188Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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